UIStackView的使用
#import "ViewController.h"
@interface ViewController ()
@property (nonatomic, strong) UIStackView *horizontalStackView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBarHidden = YES;
self.view.backgroundColor = [UIColor lightGrayColor];
[self.view addSubview:self.horizontalStackView];
self.horizontalStackView.frame = CGRectMake(10, 100, self.view.frame.size.width-20, 100);
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
UILabel *lbl = [self textLbl];
[self.horizontalStackView addArrangedSubview:lbl];
[UIView animateWithDuration:1 animations:^{
[self.horizontalStackView layoutIfNeeded];
}];
}
- (UILabel *)textLbl {
UILabel *lbl = [[UILabel alloc] init];
lbl.backgroundColor = [[UIColor redColor] colorWithAlphaComponent:0.1];
lbl.text = @"文字";
return lbl;
}
- (UIStackView *)horizontalStackView {
if (!_horizontalStackView) {
_horizontalStackView = [[UIStackView alloc] init];
_horizontalStackView.axis = UILayoutConstraintAxisHorizontal;
_horizontalStackView.distribution = UIStackViewDistributionFillEqually;
_horizontalStackView.spacing = 10;
_horizontalStackView.alignment = UIStackViewAlignmentFill;
_horizontalStackView.backgroundColor = [UIColor yellowColor];
}
return _horizontalStackView;
}
@end复制代码#import "ViewController.h"
@interface ViewController ()
@property (nonatomic, strong) UIStackView *verticalStackView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.navigationController.navigationBarHidden = YES;
self.view.backgroundColor = [UIColor lightGrayColor];
[self.view addSubview:self.verticalStackView];
self.verticalStackView.frame = CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height);
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
UILabel *lbl = [self textLbl];
[self.verticalStackView addArrangedSubview:lbl];
[UIView animateWithDuration:1 animations:^{
[self.verticalStackView layoutIfNeeded];
}];
}
- (UILabel *)textLbl {
UILabel *lbl = [[UILabel alloc] init];
lbl.backgroundColor = [[UIColor redColor] colorWithAlphaComponent:0.1];
lbl.text = @"文字";
return lbl;
}
- (UIStackView *)verticalStackView {
if (!_verticalStackView) {
_verticalStackView = [[UIStackView alloc] init];
_verticalStackView.axis = UILayoutConstraintAxisVertical;
_verticalStackView.distribution = UIStackViewDistributionFillEqually;
_verticalStackView.spacing = 10;
_verticalStackView.alignment = UIStackViewAlignmentFill;
_verticalStackView.backgroundColor = [UIColor yellowColor];
}
return _verticalStackView;
}
@end复制代码
作者：Silence_xl
链接：https://juejin.cn/post/6930431223336697864